DevTools: Fix tainted Function.prototype methods may disable console.

Source/bindings/core/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 455 matching lines @@
     String scriptId;
     int lineNumber;
     int columnNumber;
     if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber))
         return;
 
     InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder());
     host->unmonitorFunction(scriptId, lineNumber, columnNumber);
 }
 
-void V8InjectedScriptHost::suppressWarningsAndCallMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8InjectedScriptHost::callFunctionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    if (info.Length() < 2 || !info[0]->IsObject() || !info[1]->IsFunction())
+    if (info.Length() < 2 || info.Length() > 3 || !info[0]->IsFunction()) {
+        ASSERT_NOT_REACHED();
         return;
+    }
 
+    v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(info[0]);
+    v8::Handle<v8::Value> receiver = info[1];
+
+    if (info.Length() < 3 || info[2]->IsUndefined()) {
+        v8::Local<v8::Value> result = function->Call(receiver, 0, 0);
+        v8SetReturnValue(info, result);
+        return;
+    }
+
+    if (!info[2]->IsArray()) {
+        ASSERT_NOT_REACHED();
+        return;
+    }
+
+    v8::Handle<v8::Array> arguments = v8::Handle<v8::Array>::Cast(info[2]);
+    size_t argc = arguments->Length();
+    OwnPtr<v8::Handle<v8::Value>[]> argv = adoptArrayPtr(new v8::Handle<v8::Value>[argc]);
+    for (size_t i = 0; i < argc; ++i)
+        argv[i] = arguments->Get(i);
+
+    v8::Local<v8::Value> result = function->Call(receiver, argc, argv.get());
+    v8SetReturnValue(info, result);
+}
+
+void V8InjectedScriptHost::suppressWarningsAndCallFunctionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
     InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder());
     ScriptDebugServer& debugServer = host->scriptDebugServer();
     debugServer.muteWarningsAndDeprecations();
 
-    v8::Handle<v8::Object> receiver = v8::Handle<v8::Object>::Cast(info[0]);
-    v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(info[1]);
-    size_t argc = info.Length() - 2;
-    OwnPtr<v8::Handle<v8::Value>[]> argv = adoptArrayPtr(new v8::Handle<v8::Value>[argc]);
-    for (size_t i = 0; i < argc; ++i)
-        argv[i] = info[i + 2];
+    callFunctionMethodCustom(info);
 
-    v8::Local<v8::Value> result = function->Call(receiver, argc, argv.get());
     debugServer.unmuteWarningsAndDeprecations();
-    v8SetReturnValue(info, result);
 }
 
 } // namespace blink